de espaldas

with one’s back turned, on one’s back

→ de
phrase Rare #34,638
with one’s back turned, on one’s back Used to describe someone facing away from you or lying backward on their back.
SP: Se quedó de espaldas mirando el mar.
EN: He stood with his back to me looking at the sea.

Ella está de espaldas.

She has her back turned.

— State and Main (2000)

Él estaba tirado de espaldas.

He was lying on his back.

Se acostó de espaldas y alzó su mirada al cielo.

He lay down on his back and looked up at the sky.

El viejo estaba de espaldas a mí.

The old man had his back to me.

Estaba tendido de espaldas en la playa.

He was lying on his back on the beach.

Y Sophie Tucker se caerá de espaldas, lo sé, al ver su nombre debajo del mío.

And Sophie Tucker will fall backward, I know, when she sees her name beneath mine.

— Chicago (2002)

Se desmayó y se cayó de espaldas.

She fainted and fell on her back.

Tom se apoyó de espaldas sobre el sofá.

Tom leaned back on the sofa.